US9999331B2 - Domestic cleaning appliance - Google Patents

Domestic cleaning appliance Download PDF

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Publication number
US9999331B2
US9999331B2 US11/632,821 US63282105A US9999331B2 US 9999331 B2 US9999331 B2 US 9999331B2 US 63282105 A US63282105 A US 63282105A US 9999331 B2 US9999331 B2 US 9999331B2
Authority
US
United States
Prior art keywords
appliance
chassis
catch
component
release
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US11/632,821
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English (en)
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US20080083085A1 (en
Inventor
Stuart Lloyd Genn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dyson Technology Ltd
Original Assignee
Dyson Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dyson Technology Ltd filed Critical Dyson Technology Ltd
Assigned to DYSON TECHNOLOGY LIMITED reassignment DYSON TECHNOLOGY LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GENN, STUART LLOYD
Publication of US20080083085A1 publication Critical patent/US20080083085A1/en
Application granted granted Critical
Publication of US9999331B2 publication Critical patent/US9999331B2/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/32—Handles

Definitions

  • the invention relates to a domestic appliance, such as a vacuum cleaner.
  • Vacuum cleaners which separate dirt and dust from an airflow without the use of a filter bag, so-called bagless vacuum cleaners, are becoming increasingly popular.
  • Most bagless cleaners use cyclonic or centrifugal separation to spin dirt and dust from the airflow.
  • an airflow in which dirt and dust is entrained enters a first cyclonic separator via a tangential inlet.
  • the inlet causes the airflow to follow a spiral or helical path within a collection chamber so that dirt and dust is separated from the airflow. Relatively clean air passes out of the chamber whilst the separated dirt and dust is collected therein.
  • the airflow is then passed to a second cyclone separator which is capable of separating finer dirt and dust than the upstream cyclone.
  • the airflow is thereby cleaned to a greater degree so that, by the time the airflow exits the cyclonic separating apparatus, the airflow is almost completely free of dirt and dust particles.
  • the dirt and dust is left behind inside the collecting chamber.
  • a user When the collecting chamber becomes full, a user typically removes the collecting chamber from the chassis of the machine, carries the chamber to a dust bin or refuse sack and empties the contents of the chamber into the bin or sack.
  • the chamber may be emptied by inverting it.
  • a manually operable catch may release the base portion of the chamber so that the dirt and dust falls out of the chamber into the bin or sack.
  • a handle is provided to enable the user easily to carry the collecting chamber to the bin or sack for emptying.
  • the same handle may be employed by the user for lifting the vacuum cleaner in its entirety when the collecting chamber is attached to the chassis, to facilitate carrying the cleaner between different locations.
  • a problem which may be encountered with such appliances is that, when the user is carrying the appliance by means of the handle, he may accidentally release the catch holding the collecting chamber to the chassis. Thus, the chassis may be released completely from the chamber and may fall to the ground. This may cause damage to the chassis as well as being an inconvenience to the user.
  • the invention provides a domestic appliance comprising a component carried by a chassis and a catch operable to release the component from the chassis, wherein a portion of the catch on the component is arranged to move with respect to another portion of the catch on the chassis when the appliance is lifted, so as to inhibit release of the catch.
  • one portion of the catch comprises a lug, the other portion comprising a slot, the lug and slot being arranged to engage each other when the appliance is lifted.
  • the lug and slot are advantageously arranged automatically to disengage from each other when the appliance is placed on a surface, such as a floor surface.
  • the catch may also comprise a pivotable member on one of the component and the chassis arranged to releasably engage in a lip on the other of the component and the chassis.
  • the pivotable member may be releasable from the lip against the force of resilient means.
  • the invention is particularly applicable to vacuum cleaners.
  • the invention prevents a user from releasing the separating apparatus comprising a collecting chamber employed for collecting dirt and dust from the chassis when the user is carrying the vacuum cleaner.
  • a handle may be provided to enable the user to carry the appliance. When the invention is applied to a vacuum cleaner having separating apparatus, this handle may also be the handle provided for carrying the separating apparatus when it is removed from the chassis.
  • FIG. 1 is a side view of a domestic appliance constructed according to the invention in the form of an upright vacuum cleaner;
  • FIG. 2 is perspective view of the cleaner of FIG. 2 , showing release of the separation apparatus;
  • FIG. 3 is a side view of the cleaner of FIGS. 1 and 2 being carried by a user;
  • FIG. 4 a is a partly cut-away side view of part of a catch on the cleaner in a first position
  • FIG. 4 b is a partly cut-away side view of the part of a catch of FIG. 4 a in a second position;
  • FIG. 5 a is a partly cut-away side view of the catch on the cleaner in the first position
  • FIG. 5 b is a partly cut-away side view of the catch on the cleaner in the second position
  • FIG. 5 c is a front view of part of the catch in the first position
  • FIG. 6 a is a partly cut-away side view of the catch of FIG. 5 in a third position
  • FIG. 6 b is a front view of part of the catch in the third position.
  • an upright vacuum cleaner indicated generally by the reference numeral 1 comprises a main chassis 2 which supports dirt and dust separation apparatus 3 incorporating a collecting chamber 4 .
  • the lower part of the vacuum cleaner 1 comprises a cleaner head 5 for engaging with the floor surface.
  • the cleaner head 5 has a downwardly facing suction inlet and a brush bar (not shown), mounted in the mouth of the inlet, for agitating the floor surface.
  • the cleaner head 5 is pivotably mounted to a motor housing 6 , which houses the motor and fan of the cleaner 1 .
  • Support wheels 7 are mounted to either side of the motor housing 6 for supporting the cleaner 1 and allowing movement across a floor surface.
  • a spine 8 of the chassis 2 extends upwardly from the motor housing 6 to provide support for the components of the cleaner 1 .
  • a cleaning wand 9 having a second dirty air inlet 10 is connected by way of a hose (not shown) to the chassis 2 at the base of the spine 8 .
  • the wand 9 is releasable from the spine 8 so as to allow a user to carry out above-the-floor cleaning and cleaning in places which are inaccessible by the main cleaning head 5 .
  • the wand 9 forms the handle of the cleaner 1 .
  • a hand grip 9 ′ at the remote end of the wand 9 allows a user to manoeuvre the cleaner 1 .
  • the dirt- and dust-separating apparatus 3 comprises a cyclonic arrangement but this could readily be replaced by a filter, a bag or a combination of different known separation devices.
  • the vacuum cleaner 1 In normal upright use, the vacuum cleaner 1 is maneuvered over the floor surface to be cleaned whilst the motor causes dirty air to be sucked into the cleaner 1 via the cleaner head 5 .
  • the dirty air is passed to the dirt- and dust-separating apparatus 3 where the dirt and dust is extracted and clean air is expelled to the atmosphere.
  • the separating apparatus 3 is releasable from the main chassis 2 .
  • a manually releasable catch 11 is provided on the spine 8 of the chassis 2 and is arranged to locate the separating apparatus 3 , including the collection chamber 4 , on the appliance.
  • the user of the vacuum cleaner 1 releases the catch 11 and removes the separating apparatus 3 by means of a handle 12 provided on the upper portion of the separating apparatus.
  • the user then carries the separating apparatus 3 by means of the handle 12 to a refuse bin or sack for emptying.
  • the collection chamber 4 may be emptied by releasing it from the separating apparatus 3 and inverting it over the bin or sack.
  • the collection chamber 4 may have a moveable base portion that can be released, by means of a further manually releasable catch, to allow dirt and dust to fall from the bottom of the collection chamber.
  • the handle 12 on the separating apparatus 3 also serves to allow the user to lift and carry the appliance as a whole, as shown in Figure. When the user does this, his hand is close to the catch 11 for releasing the separating apparatus 3 from the chassis 2 . With conventional vacuum cleaners, there has been a risk that the user may accidentally release the catch whilst carrying the appliance.
  • FIGS. 4 to 6 inclusive The catch 11 of the vacuum cleaner constructed according to the invention is shown in FIGS. 4 to 6 inclusive.
  • FIGS. 4 a and 4 b illustrate the part of the catch 11 located on the spine 8 .
  • the catch 11 comprises a main catch member 13 having a pivot 14 on its lower portion to enable it to be pivotably connected to the spine 8 .
  • a projecting portion 15 projects away from the spine 8 and then downwardly and is located above the pivot 14 .
  • the upper portion of the main catch member 13 comprises a user-operable button 16 . When the user pushes the button 16 , the main catch member 13 pivots away from the user, towards the spine 8 , and the projecting portion 15 of the main catch member is elevated.
  • FIGS. 5 a and 5 b show the complete catch 11 , the remaining parts of the catch being located on the handle 12 of the separating apparatus 3 .
  • FIG. 5 a shows the catch 11 in its closed position, with the separating apparatus 3 being attached to the chassis 2 .
  • the projecting portion 15 of the main catch member 13 is arranged to engage with a lip 17 on the handle 12 of the separating apparatus 3 .
  • the button 16 When the user wishes to release the separating apparatus 3 , he pushes against the button 16 . This causes the main catch member 13 to move pivotably towards the spine 8 until the projecting portion 15 is clear of the lip 17 on the handle 12 .
  • the catch 11 is released and the separating apparatus 3 is removable as shown in FIG. 5 b.
  • the user When the user wishes to re-attach the separating apparatus 3 , he simply pushes the separating apparatus 3 back into position on the chassis 2 . As he does so, the pivotable member 13 is pushed backwards until it clears the lip 17 on the handle 12 . A spring or other resilient means (not shown) then returns the main catch member 13 to its upright position, with the projecting portion 15 engaging in the lip 17 on the handle 12 . Thus, the separating apparatus 3 is secured to the chassis 2 .
  • the catch is arranged so as to allow relative movement between the separating apparatus 3 and the chassis 2 in such a manner that, when the appliance 1 is lifted by the user by means of the handle 12 , the catch 11 engages in a position that inhibits its release.
  • the catch 11 further comprises lugs 18 , 19 provided on the handle 12 , one ( 18 ) of which is visible in FIGS. 5 a , 5 b , and 6 a , both lugs being shown in FIGS. 5 c and 6 b .
  • the lugs 18 , 19 are located on the inner wall of the handle 12 , on either side of the portion that sits against the spine 8 when the separating apparatus 3 is held onto the chassis 2 .
  • the lugs 18 , 19 project upwardly, but not beyond the upper surface of the handle 12 . This feature prevents the lugs being accidentally damaged in use.
  • the catch 11 further comprises slots 20 , 21 on the spine 8 of the chassis 2 , one ( 20 ) of which is shown in FIGS. 5 a , 5 b and 6 a , both being visible in FIGS. 5 c and 6 b .
  • FIGS. 5 c and 6 a are front views showing most of the features of the catch on the chassis, with only the lugs 18 , 19 on the handle being shown for clarity.
  • the slots 20 , 21 in the spine are located directly above the lugs 18 , 19 and the lugs are dimensioned so as to engage in the slots.
  • the separating apparatus 3 and chassis 2 are arranged so as to permit a limited amount of relative movement between them.
  • the separating apparatus 3 When the user applies a lifting force to the appliance 1 by lifting the handle 12 , the separating apparatus 3 is able to move slightly upwardly with respect to the chassis 2 as the appliance is lifted off the ground. Therefore, the portion of the catch 11 located on the handle 12 of the separating apparatus 3 moves upwardly with respect to the portion of the catch 11 located on the spine 8 of the chassis 2 .
  • the lugs 18 , 19 on the handle 12 move up into the slots 20 , 21 provided on the chassis 2 .
  • the main catch member 13 may pivot so as to release the lip 17 from the projecting portion 15 , but the catch cannot release the chassis from the separating apparatus because they are held together by the lugs 18 , 19 engaged in the respective slots 20 , 21 .
  • the handle for lifting the appliance need not be the same as that provided for carrying the separating apparatus.
  • a separate handle or hand-grip may be provided.
  • the handle for lifting the appliance may be provided on the chassis, in which case upwardly-projecting lugs may be provided on the chassis and arranged to engage in slots on the separating apparatus.
  • downwardly-projecting lugs on the separating apparatus may be arranged to engage in slots on the chassis as the chassis is lifted by the handle.
  • the catch of the invention may be provided to locate other components on the chassis, so that those components are not releasable whilst the appliance is being carried.
  • the main pivotable member of the catch may be carried by the or each component, arranged to engage with a lip on the chassis.
  • the lugs may be arranged to locate in slots behind the user-operable button, so as to prevent the button from being depressed. This provides an indication to the user that the catch is inoperable while the appliance is lifted.
  • a lawn mower may be provided with a chassis and a chamber for collecting grass clippings produced by the mower.
  • the invention may be employed to prevent the collecting chamber from being released when the user is carrying the lawn mower.
  • the invention may also be applied to, for example, other surface-treating appliances, such as those that apply polish or paint to a surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Electric Suction Cleaners (AREA)
  • Cyclones (AREA)
  • Massaging Devices (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
US11/632,821 2004-07-23 2005-07-08 Domestic cleaning appliance Expired - Fee Related US9999331B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0416476.0 2004-07-23
GB0416476A GB2416483B (en) 2004-07-23 2004-07-23 A surface-treating appliance
PCT/GB2005/002691 WO2006008451A1 (en) 2004-07-23 2005-07-08 A domestic appliance

Publications (2)

Publication Number Publication Date
US20080083085A1 US20080083085A1 (en) 2008-04-10
US9999331B2 true US9999331B2 (en) 2018-06-19

Family

ID=32922690

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/632,821 Expired - Fee Related US9999331B2 (en) 2004-07-23 2005-07-08 Domestic cleaning appliance

Country Status (15)

Country Link
US (1) US9999331B2 (ru)
EP (1) EP1771104B1 (ru)
JP (2) JP4981669B2 (ru)
KR (2) KR101230294B1 (ru)
CN (1) CN1988832B (ru)
AT (1) ATE407616T1 (ru)
AU (1) AU2005263897B2 (ru)
CA (1) CA2574291C (ru)
DE (1) DE602005009705D1 (ru)
ES (1) ES2313369T3 (ru)
GB (1) GB2416483B (ru)
MY (1) MY138659A (ru)
RU (1) RU2380024C2 (ru)
TW (1) TW200624078A (ru)
WO (1) WO2006008451A1 (ru)

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CN104018650B (zh) * 2014-06-19 2016-06-08 江苏世纪魔方科技有限公司 墙面抹灰用平面冲筋杆及其使用方法
KR102328244B1 (ko) * 2014-07-31 2021-11-19 삼성전자주식회사 청소기
GB2533623A (en) * 2014-12-23 2016-06-29 Techtronic Ind Co Ltd Surface cleaning apparatus
GB2541677B (en) 2015-08-25 2018-04-18 Dyson Technology Ltd An upright vacuum cleaner
US10292550B2 (en) 2016-08-29 2019-05-21 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11478117B2 (en) 2016-08-29 2022-10-25 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10136779B2 (en) 2016-08-29 2018-11-27 Omachron Intellectual Property Inc. Surface cleaning apparatus
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WO2006008451A1 (en) 2006-01-26
JP2010179144A (ja) 2010-08-19
KR20070032964A (ko) 2007-03-23
GB2416483A (en) 2006-02-01
JP4981669B2 (ja) 2012-07-25
GB0416476D0 (en) 2004-08-25
ATE407616T1 (de) 2008-09-15
JP2008507312A (ja) 2008-03-13
JP5208153B2 (ja) 2013-06-12
MY138659A (en) 2009-07-31
EP1771104A1 (en) 2007-04-11
US20080083085A1 (en) 2008-04-10
CA2574291C (en) 2013-08-06
EP1771104B1 (en) 2008-09-10
ES2313369T3 (es) 2009-03-01
AU2005263897A1 (en) 2006-01-26
CN1988832B (zh) 2015-03-25
TW200624078A (en) 2006-07-16
KR101230294B1 (ko) 2013-02-06
CN1988832A (zh) 2007-06-27
AU2005263897B2 (en) 2009-04-23
RU2380024C2 (ru) 2010-01-27
CA2574291A1 (en) 2006-01-26
RU2007106901A (ru) 2008-10-10

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